Roofing comes in many different styles and types with a price range that is just as varied. There are some projects, like a shed or flat roof, that lend themselves to the easiest and cheapest way to do things. That is where you apply rolled roofing.

Cut the width remaining from a roll of roofing and apply a thick coat of roofing cement to the area to be covered. Press this final course down. Nail down the top edge, covering the nail heads with asphaltic roofing cement to seal them down, particularly if you live in a windy area.

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The width of the rolled roofing can vary from 36 to 39 inches (91.4 to 99.1 cm) depending on your supplier. Just adjust the above dimensions up 3 inches (7.2 cm) for the chalk line.

It is easier to cut the rolled roofing to manageable lengths (12 to 16 feet or 3.657 to 4.876 meters) on the ground or a flat surface. Allow the rolled roofing to warm and flatten before you install it if the weather is cool.

The use of roofing paper or felt to blacken in a roof is not necessary when you use rolled roofing, but it is highly recommended to further enhance the waterproofing.

Warnings

Do not try to apply rolled roofing in temperatures less than 45 to 50 degrees Fahrenheit (7.2 to 12.8 degrees Celsius) or warmer than 85 degrees Fahrenheit (29.4 Celsius). The roofing material can easily be cracked or punctured when cold or torn and the mineral coating rubbed off when hot.

Rolled roofing is not recommended for roofs that have a greater than a 2 to 12 pitch. That is, if your roof is 12 units wide it should not be taller than 2 units for rolled roofing.

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